Não informado. (1990). Perspectives in Education and Deafness. Gallaudet University, Pre-College Programs.
Chicago-referens (17:e uppl.)Não informado. Perspectives in Education and Deafness. Washington: Gallaudet University, Pre-College Programs, 1990.
MLA-referens (8:e uppl.)Não informado. Perspectives in Education and Deafness. Gallaudet University, Pre-College Programs, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.